Origin
Southern and central Africa
Australia
Color
Brown, Black, Blue
Red, White, gray, Black
Streak
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Brownish, Black
For which Rashi?
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Planet
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-
Element of Planets
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Energy
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How to Wear?
Finger
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Ring Metal
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Deities
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Not to wear with
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Powers
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Birthstone
Planetary
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Talisman
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Tenacity
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Brittle
Solubility
-
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Durability
-
-
Specific Gravity
2.65-9999
1
7.18
👆🏻
Fracture
ConchoidalWalter Schumann
Conchoidal, Uneven
Cleavage
None
{1010} Imperfect, {0001} Imperfect
Mohs Hardness
-99995-5.5
2
10
👆🏻
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
NiAs
Luster
-
-
Pleochroism
Definite: brown reddish-brownWalter Schumann
Strong (reflected light)
Dispersion
0.010.04
0.005
1
👆🏻
Transparency
Transparent, Translucent
-
Refractive Index
1.544-1.553-9999
1
3.25
👆🏻
Optic Character
-
-
Crystal System
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Hexagonal
Birefringence
0.009-9999
0
0.296
👆🏻
Clarity
Transparent
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Physical
Neurological
Improves digestion and metabolism
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Cardiovascular
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Respiratory
Good
Poor
Reproductive
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Digestive
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Psychology
Protection
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Healing
Emotional healing
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Qualities Associated
Protection
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